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Direct Vent Gas Stove
Installation and Operating
Instructions
Models:
WARNINGS
CSDV20SNV,CSDV20DNV,CSDV20SLP,CSDV20DLP,
CSDV30SNV,CSDV30DNV,CSDV30SLP,CSDV30DLP,
CSDV40SNV,CSDV40NDV,CSDV40SLP,CSDV40DLP
If the information in these instructions
are not followed exactly, a fire
or explosion may result causing
property damage, personal injury or
loss of life.
– Do not store or use gasoline or other
flammable vapors and liquids in the vicinity
of this or any other appliance.
– WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switch; do not
use any phone in your building.
• Immediately call your gas supplier from
a neighbor's phone. Follow the gas
supplier's instructions.
• If you cannot reach your gas supplier, call
the fire department.
– Installation and service must be performed
by a qualified installer, service agency or
the gas supplier.
WARNING: Improper installation, adjustment,
alteration, services or maintenance can cause
injury or property damage. Refer to this manual.
For assistance or additional information
consult a qualified installer, service agency or
the gas supplier.
This appliance is only for use with the type
of gas indicated on the rating plate. This
appliance is not convertible for use with other
gases, unless a certified kit is used.
This appliance may be installed in an aftermarket*,
permanently located, manufactured home,
where not prohibited by local codes.
ON
F
OF
DUE TO HIGH T
E MP E R AT U R E S , T H E
586056
APPLIANCE SHOULD BE LOCATED OUT OF
CSDV cover
TRAFFIC AND AWAY FROM FURNITURE AND
DRAPERIES.
CHILDREN AND ADULTS SHOULD BE ALERTED
TO THE HAZARDS OF HIGH SURFACE
TEMPERATURE AND SHOULD STAY AWAY TO
AVOID BURNS OR CLOTHING IGNITION.
YOUNG CHILDREN SHOULD BE SUPERVISED
WHEN THEY ARE IN THE SAME ROOM AS THE
APPLIANCE.
*Aftermarket: Completion of sale, not for purpose of
resale, from the manufacturer.
CLOTHING OR OTHER FLAMMABLE MATERIAL
SHOULD NOT BE PLACED ON OR NEAR THE
APPLIANCE.
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.
Keep the room area clear and free
from combustible materials, gasoline,
and other flammable vapors and
liquids.
58D6056 2/10 Rev. 7
READ BEFORE INSTALLING. SAVE THESE INSTRUCTIONS
CONTENTS
CSDV Series Direct Vent Gas Stove
Congratulations!
You have purchased a state-of-the-art gas appliance featuring the Lex-Fire Burn System available exclusively
on MHSC gas appliances.
The Lex-Fire Burn System sets a new standard for flame appearance through innovative log design, burner
technology and ember placement. Each element affecting combustion and flame appearance was carefully
scrutinized and strategically balanced during the design process.
Important Safety Information...................................... 3
Code Approval.............................................................. 4
Product Features.......................................................... 5
High Elevations........................................................ 5
Gas Pressures......................................................... 5
Gas Specifications & Orifice Sizes........................... 5
Stove Dimensions........................................................ 6
Stove Location.............................................................. 7
Clearances.................................................................... 8
Remove Unit from Crate............................................ 10
Venting Installation..................................................... 11
Installation Precautions.......................................... 11
Installation Planning............................................... 12
General Venting Information - Termination............ 13
Venting Graph........................................................ 14
Installation for Horizontal Termination.................... 15
Installation for Vertical Termination........................ 18
Stove Installation........................................................ 22
Check Gas Type.................................................... 22
Install Gas Piping to Stove Location...................... 23
Operating Instructions............................................... 29
What To Do If You Smell Gas................................. 29
Lighting Pilot for the First Time.............................. 30
Lighting Pilot.......................................................... 30
Lighting Burner....................................................... 31
To Turn Off Gas...................................................... 31
Air Shutter Adjustment (Natural Gas ONLY)............ 32
Cleaning and Maintenance........................................ 33
Venting System...................................................... 33
Cleaning Glass....................................................... 33
Pilot and Burner Flames........................................ 33
Firebox Cleaning.................................................... 33
Glass Replacement.................................................... 34
Troubleshooting......................................................... 35
Replacement Parts..................................................... 36
CSDV20 ................................................................ 36
CSDV30................................................................. 38
CSDV40................................................................. 40
Massachusetts Residents Only................................ 42
Warranty...................................................................... 43
Checking Gas Pressure............................................. 24
Electrical Installation................................................. 24
Electrical Wiring..................................................... 24
Remote Wall Switch............................................... 25
Log and Rock Wool Placement................................. 26
58D6056
IMPORTANT SAFETY INFORMATION
CSDV Series Direct Vent Gas Stove
OWNER
Please leave these instructions with the appliance.
Please retain these instructions for future reference.
WARNING
INSTALLER
• Read this owner’s manual carefully and completely before trying to assemble, operate,
•
•
or service this fireplace.
Any change to this fireplace or its controls can be dangerous.
Improper installation or use of this fireplace can cause serious injury or death from
fire, burns, explosions, electrical shock and carbon monoxide poisoning.
This stove is a vented product. This stove must be properly
installed by a qualified service person. The glass door must
be properly seated and sealed. If this unit is not properly
installed by a qualified service person with glass door properly seated and sealed, combustion leakage can occur.
CARBON MONOXIDE POISONING: Early signs of carbon
monoxide poisoning are similar to the flu with headaches,
dizziness and/or nausea. If you have these signs, the
stove may not have been installed properly. Get fresh air at
once! Have the stove inspected and serviced by a qualified
service person. Some people are more affected by carbon
monoxide than others. These include pregnant women,
people with heart or lung disease or anemia, those under
the influence of alcohol, and those at high altitudes.
Propane/LP gas and natural gas are both odorless. An
odor-making agent is added to each of these gases. The
odor helps you detect a gas leak. However, the odor added
to these gases can fade. Gas may be present even though
no odor exists.
Make certain you read and understand all warnings. Keep
this manual for reference. It is your guide to safe and proper
operation of this stove.
1. This appliance is only for use with the type of gas
indicated on the rating plate. This appliance is not
convertible for use with other gases unless a certified
kit is used.
2. For propane/LP stove, do not place propane/LP supply
tank(s) inside any structure. Locate propane/LP supply
tank(s) outdoors. To prevent performance problems,
do not use propane/LP fuel tank of less than 100
gal. capacity.
3. If you smell gas
• shut off gas supply.
• do not try to light any appliance.
• do not touch any electrical switch; do not use any
phone in your building .
• immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions.
58D6056
4. Never install the stove
• in a recreational vehicle
• where curtains, furniture, clothing, or other flammable objects are less than 42" from the front, top,
or sides of the stove
• in high traffic areas
• in windy or drafty areas
5. This stove reaches high temperatures. Keep children
and adults away from hot surfaces to avoid burns or
clothing ignition. Stove will remain hot for a time after
shutdown. Allow surfaces to cool before touching.
6. Carefully supervise young children when they are in
the room with stove.
7. Do not modify the burner or stove under any circumstances. Any parts removed for servicing must be
replaced prior to operating stove.
8. Turn stove off and let cool before servicing, installing,
or repairing. Only a qualified service person should
install, service, or repair the stove. Have burner system
inspected annually by a qualified service person.
9. You must keep control compartments, burners, and
circulating air passages clean. More frequent cleaning
may be needed due to excessive lint and dust from
carpeting, bedding material, pet hair, etc. Turn off the
gas valve and pilot light before cleaning stove.
10. Have venting system inspected annually by a qualified service person. If needed, have venting system
cleaned or repaired. Refer to Cleaning and Maintenance, Page 34.
11. Keep the area around your stove clear of combustible
materials, gasoline, and other flammable vapor and
liquids. Do not run burner system where these are
used or stored. Do not place items such as clothing
or decorations on or around stove.
12. Do not use this stove to cook food or burn paper or
other objects.
13. Never place anything on top of stove.
14. Do not use any solid fuels (wood, coal, paper, cardboard, etc.) in this stove. Use only the gas type indicated on burner system nameplate.
CSDV Series Direct Vent Gas Stove
IMPORTANT SAFETY INFORMATION
15. This appliance, when installed, must be electrically
grounded in accordance with local codes or in the
absence of local codes, with the National Electrical
Code, ANS/NFPA 70, or the Canadian Electrical
Code, CSA C22.1.
16. Do not obstruct the flow of combustion and ventilation
air in any way. Provide adequate clearances around
air openings into the combustion chamber along with
adequate accessibility clearance for servicing and
proper operation.
17. When the appliance is installed directly on carpeting,
tile or other combustible material other than wood
flooring, you must set appliance on a metal or wood
panel or hearth pad extending the full width and depth
of the appliance.
18. Do not use stove if any part has been exposed to
or under water. Immediately call a qualified service
person to arrange for replacement of the unit.
19. Do not operate stove if any log is broken.
20. Do not use a blower insert, heat exchanger insert,
or other accessory not approved for use with this
stove.
21. Do not operate the stove with glass door removed,
cracked, or broken.
22. Massachusetts only refer to Page 46 for further information.
!
WARNING
HOT GLASS WILL
Nous recommandons
que nos
CAUSE BURNS.
appareils de chauffage au gaz
DO NOT TOUCH GLASS
soient installés
et entretenus par
UNTIL COOLED.
des professionnels
qui ont été
accréditésNEVER ALLOW CHILDREN
aux È.U. par le National
TO TOUCH GLASS.
Fireplace Institute
® (NFI) comme
étant des spécialistes du NFI en
matièred’appareils de chauffage
au gaz.
Code Approval
Direct Vent type appliances draw all combustion air from outside of the dwelling through the
vent pipe.
These appliances have been tested by CSA and found to comply with the established standards for
DIRECT VENT GAS FIREPLACE HEATERS in the USA and Canada as follows:
LISTED VENTED GAS FIREPLACE HEATER
TESTED TO: ANSI Z21.88-2009 / CSA 2.33-2009 STANDARDS
58D6056
product features
CSDV Series Direct Vent Gas Stove
PRODUCT SPECIFICATIONS
• This appliance has been certified for use with either
•
•
•
•
•
•
•
On/Off
Switch
natural or propane gas. See appropriate data plates.
This appliance is not for use with solid fuels.
The appliance is approved for bedroom or bedsitting
room installations.
The appliance must be installed in accordance with local
codes if any. If none exist use the current installation
code. ANSI Z223.1/NFPA 54 in the USA, CSA B149 in
Canada.
This appliance is mobile home approved.
The appliance must be properly connected to a venting
system.
The appliance is not approved for closet or recessed
installations.
For alcove installation see “Clearances,” Page 9.
ON
OF
F
FP2724
Optional
Remote
Receiver
Hi/Lo Knob
Pilot
Optional Blower
HIGH ELEVATIONS
Input ratings are shown in BTU per hour and are certified without deration for elevations up to 4,500 feet
(1,370 m) above sea level.
For elevations above 4,500 feet (1,370 m) in USA,
installations must be in accordance with the current
ANSI Z223.1/NFPA 54 and/or local codes having
jurisdiction.
In Canada, please consult provincial and/or local
authorities having jurisdiction for installations at elevations above 4,500 feet (1,370 m).
GAS pressures
Inlet Minimum
Inlet Maximum
Manifold Pressure
58D6056
Natural Propane (LP)
4.5” w.c.
11.0” w.c.
10.5” w.c.
13.0” w.c.
3.5” w.c.
10.0” w.c.
Door
Ignitor Box
Located Under
Right Front Leg
Figure 1 CSDV Cast Iron Stove Controls
FP2724
CSDV controls
Max.InputMin. Input
Gas Specifications & ORIFICE SIZE
Model
Fuel BTU/h
BTU/h
CSDV20NV Nat. 18.000
12,500
CSDV20PV LP
19,000
15,000
CSDV30NV Nat. 28,000
17,000
CSDV30PV LP
28,000
21,000
CSDV40NV Nat. 33,000
26,000
CSDV40PV LP
33,000
30,000
Orifice Size
#43
#54
#35
#51
Front Rear
#46
#43
#57 1.45 mm
Stove dimensions
CSDV Series Direct Vent Gas Stove
A
C
B
Figure 2 Stove Dimensions
Ref.
A
B
C
CSDV20
20M\," (530 mm)
23Z\x" (597 mm)
18C\v" (476 mm)
CSDV30
26Z\x" (673 mm)
28Z\x" (724 mm)
586056
21" (533 mm)
CSDV dims
CSDV40
29Z\x" (749 mm)
30Z\x" (775 mm)
22" (559 mm)
58D6056
iNSTALLATION INFORMATION
CSDV Series Direct Vent Gas Stove
STOVE LOCATION
Plan for the installation of your stove. This includes determining where the unit is to be installed, the vent configuration to be used, framing and finishing details, and whether
any optional accessories (i.e. blower, wall switch, or remote
control) are desired. Consult your local building code
agency to ensure compliance with local codes, including
permits and inspections.
The following factors should be taken into consideration:
• This stove should have sufficient access for its safe
•
•
•
•
•
•
operation and maintenance.
Locate a position where the flue system of the stove can
be properly installed without damaging the integrity of
the building. e.g. cutting wall or ceiling joist (example:
load-bearing framing members).
When the appliance is installed directly on carpeting,
tile or other combustible material other than wood flooring, you must set appliance on a metal or wood panel
extending the full width and depth of the appliance.
Check stove and flue system clearance requirements.
Locate the stove where it can be accessed by a gas
supply line.
Locate the stove in a large and open room that is
centrally located in the house. This will optimize heat
circulation and comfort.
The flow of combustion and ventilation air must not be
obstructed.
• Minimum clearances to combustibles, side-wall, ceiling,
•
•
•
•
•
•
woodwork, and windows must be maintained. Page
9, Figure 4
This stove may be installed along a wall, across a corner,
or use an exterior chase. Refer to Figure 3 for suggested
locations.
Location should be out of high traffic areas and away
from furniture and draperies due to heat from appliance.
Never obstruct the front opening of the stove.
Do not install in the vicinity where gasoline or other
flammable liquids may be stored.
Vent pipe routing. See Venting section found in this
manual for allowable venting configurations.
These units can be installed in a bedroom. See National
Fuel Gas Code ANSI Z233.1/NFPA 54 (current edition),
the Uniform Mechanical Code (current edition), and
Local Building Codes for specific installation requirements.
NOTE: If this unit is installed in a mobile home it must be
bolted securely to the floor with leg bolts.
NOTE: Stoves work without any electrical supply.
ON
OFF
Figure 3 Possible Stove Locations
58D6056
ST1127
stove locations
ST1127
clearances
CSDV Series Direct Vent Gas Stove
Clearances to combustibles
WARNING
The dimensions shown in Figures 4 and 5 are minimum clearances to maintain
in installing this heater. Left and right clearances are determined when facing
the front of the heater.
Follow these instructions carefully to ensure safe installation. Failure to follow
instructions exactly can create a fire hazard.
The appliance cannot be installed on a carpet, tile or other combustible material
other than wood flooring. If installed on carpet or vinyl flooring, the appliance
shall be installed on a metal, wood or noncombustible material panel extending
full width and depth of the appliance.
B
Ceiling
Ceiling
Side
Wall
Side
Wall
C
Mantel
A
36” (914 mm)
in Front
D
Minimum
to Either
Side Wall
E
Minimum
F
Minimum
ST1128
ST1129
Front View
Side View
G
St1129
mantel clearances
F Minimum
ST1128
sidewall clearance
Figure 4 Minimum Clearances
to Walls and Ceiling
D
Minimum
to Either
Side Wall
Corner
Installation
G
ST1130
ST1131
Wall Installation
ST1131
sidewall clearance
Mantel Clearance from
Corner
ST1130
Top of
Unit
Side Measured from Top
RearMeasured
corner clearance
Min. CeilingMaxMeasured
From Top
from FloorProtrusion
Height
Right
Left
From Back
Corners
Product
A
B
C
D
E
F
G
CSDV20
72" (1829 mm) 12" (305 mm) 22" (559 mm) 4" (102 mm) 4" (102 mm) 1" (25 mm) 1/2" (13 mm)
CSDV30
72" (1829 mm) 12" (305 mm) 34" (864 mm) 4" (102 mm) 4" (102 mm) 1" (25 mm) 1/2" (13 mm)
CSDV40
72" (1829 mm) 12" (305 mm) 34" (864 mm) 4" (102 mm) 4" (102 mm) 1" (25 mm) 1/2" (13 mm)
58D6056
clearances / Height Requirements
CSDV Series Direct Vent Gas Stove
C
B
A
ON
OFF
ST1132
Figure 5 Alcove Clearances
ST1132
alcove clearances
Alcove
Minimum Dimensions
Model
CSDV20
CSDV30
CSDV40
Height from Hearth
Width
Depth
A
B
C
52" (1321 mm)
30" (762 mm) 36" (914 mm)
64" (1626 mm)
35" (889 mm) 36" (914 mm)
64" (1626 mm)
35" (889 mm) 36" (914 mm)
NOTE: Maintain minimum side and back clearances
when placing stove in alcove.
58D6056
REMOVE UNIT FROM CRATE
CSDV Series Direct Vent Gas Stove
Hearth
Door
O
L
G
S
1. Remove two (2) straps. Figure 6
2. Open plastic bag and slide to bottom of unit. Figure 7
3. Lift up on ash lip and pivot down to open control door.
Figure 8
4. Lift up on front. Pivot bottom of front out. Remove front.
Figure 8
5. Open and remove glass door.
6. Remove log box from inside of unit.
7. Lift unit off pallet. Lift unit up high enough to clear upright
supports unit is sitting on.
NOTE: You will need at least two (2) strong people to lift
unit off of pallet.
REM
OT
E CO
NT
RO
L
PIL
OT
Straps
OF
F
ST1134
Ashlip
ON
OFF
Plastic
Bag
Control Door
Figure 7 Open Control Door and Remove Hearth Door
LO
GS
Pallet
ST1133
ST1134
remove front
Log Box
S
G
O
L
Figure 6 Remove Straps and Plastic from Unit
ST1133
remove straps
REM
OT
E CO
NT
RO
L
PIL
OT
OF
F
ST1135
Figure 8 Remove Log Box
ST1135
remove log box
10
58D6056
WARNING
WARNING
VENTING INSTALLATION
CSDV Series Direct Vent Gas Stove
Read all instructions completely and thoroughly before attempting
installation. Failure to do so could result in serious injury, property damage
or loss of life. Operation of improperly installed and maintained venting
system could result in serious injury, property damage or loss of life.
Failure to follow these instructions will
void the warranty.
INSTALLATION PRECAUTIONS
Consult local building codes before beginning the installation. The installer must make sure to
select the proper vent system for installation. Before installing vent kit, the installer must read
this stove manual and vent kit instructions.
Only a qualified installer/service person should install venting system. The installer must follow
these safety rules:
• Wear gloves and safety glasses for protection.
• Use extreme caution when using ladders or when on rooftops.
• Be aware of electrical wiring locations in walls and ceilings.
The following actions will void the warranty on your venting system:
This stove must be vented to the outside.
The venting system must NEVER be attached
to a chimney serving a separate solid fuel
burning appliance. Each gas appliance must
use a separate vent system. Do not use
common vent systems.
58D6056
WARNING
WARNING
• Installation of any damaged venting component.
• Unauthorized modification of the venting system.
• Installation of any component part not manufactured or approved by MHSC.
• Installation other than permitted by these instructions.
Horizontal sections of this vent system
require a minimum clearance of 2" from
the top of the pipe and 1" minimum to the
sides and bottom. Vertical sections of this
system require a minimum of 1" clearance
to combustible materials on all sides of
the pipe. Only a 1" clearance is required
where the vent passes through the nearest
vertical wall.
11
Venting installation
CSDV Series Direct Vent Gas Stove
INSTALLATION PLANNING
There are two basic types of direct-vent installation:
It is important to select the proper length of vent pipe for the
type of termination you choose. It is also important to note
the wall thickness.
FOR HORIZONTAL TERMINATION
Select the amount of vertical rise desired. The horizontal run
of venting must have 1/4" rise for every 12" of run towards the
termination.
WARNING
• Horizontal Termination
• Vertical Termination
Never run the vent pipe level or downward.
This may cause excessive temperatures
which could cause a fire.
You may use up to three 90° elbows in this vent configuration. Refer to Horizontal Termination
Configurations on Page 16.
FOR VERTICAL TERMINATION
Measure the distance from the stove flue outlet to the ceiling. Add the ceiling thickness, the vertical rise in an attic or second story, and allow for sufficient vent height above the roof line. You may
use one or two 90° elbows in this vent configuration. Refer to Vertical Termination Configurations
on Page 18.
NOTE: You may use two 45° elbows in place of a 90° elbow. You must follow rise to run ratios when
using 45° elbows. The appliance is approved for use with three 90° elbows maximum or a combination of 90° and 45° elbows up to a maximum of 270°.
For two-story applications, firestops are required at each floor level. If an offset is needed in the
attic, additional pipe and elbows will be required.
You may use a chase with a vent termination with exposed pipe on the exterior of the house. Refer
to Installing Vent System in a Chase below.
It is very important that the venting system maintain its balance between the combustion air intake and
the flue gas exhaust. Certain limitations apply to vent configurations and must be strictly followed.
INSTALLING A VENT SYSTEM IN AN OUTSIDE CHASE
A chase is a vertical boxlike structure built to enclose venting that runs along the outside of a building. A chase is required for such venting.
WARNING
NOTICE
NOTE: When installing in a chase, you should insulate the chase as you would the outside walls
of your home. This is especially important in cold climates. Minimum clearance between vent pipes
and combustible materials such as insulation is 1".
12
Treatment of firestops and construction of the chase may vary from building
type to building type. These instructions are not substitutes for the requirements
of local building codes. You must follow all local building codes.
Always maintain minimum clearances around vent systems. The minimum
clearances to combustibles for horizontal vent pipe are 2" at the top and 1"
at the sides and bottom of the vent system. For wall firestops, a 1" minimum
clearance all around the pipe must be maintained. Do not pack the open air
spaces with insulation or other materials. This could cause high temperatures
and may present a fire hazard.
58D6056
Venting installation
CSDV Series Direct Vent Gas Stove
General Venting Information - Termination Location
INSIDE CORNER DETAIL G V H A D L V E C V B F Figure 11 Horizontal Vent Termination Locations
B Fixed
Closed
Ope
ra
V B V ble
B Operable
B B J X
X AIR SUPPLY INLET V K X AREA WHERE TERMINAL IS NOT PERMITTED Canadian Installations1
CFM145a DV Termin Location 5/01/01 Rev. 12/05/01 sta M I A CFM145a V VENT TERMINATION V V Fixed
Closed
US Installations2
A = Clearance above grade, veranda, porch, 12” (30 cm)
12” (30 cm)
deck, or balcony
B = Clearance to window or door that may be 6” (15 cm) for appliances 6” (15 cm) for appliances
opened
< 10,000BTU/h (3kW), 12” (30 cm) < 10,000 BTU/h (3kW), 9”
for appliances > 10,000 Btuh (3kW) and
(23 cm) for appliances > 10,000
< 100,000 BTU/h (30kW), 36” (91 cm)
Btuh (3kW) and < 50,000 BTU/h
for appliances > 100,000 BTU/h (30kW)
(15kW), 12” (30 cm) for
appliances > 50,000 BTU/h(15kW)
C = Clearance to permanently closed window
12” (305 mm) recommended to
12” (305 mm) recommended to prevent window condensation
prevent window condensation
D = Vertical clearance to ventilated soffit located
above the terminal within a horizontal 18” (458 mm)
18” (458 mm)
distance of 2’ (610mm) from the center
line of the terminal
E = Clearance to unventilated soffit
12” (305 mm)
12” (305 mm)
F = Clearance to outside corner see next page
see next page
G =Clearance to inside corner (see next page) see next page
see next page
H = Clearance to each inside of center line
3’ (91 cm) within a height of 15’ (5 m) 3’ (91 cm) within a height of 15’
extended above meter/regulator assembly
above the meter/regulator assembly
(5 m) above the meter/regulator
assy
I = Clearance to service regulator vent outlet
3’ (91 cm)
3’ (91 cm)
J = Clearance to nonmechanical air supply inlet 6” (15 cm) for appliances < 10,000
6” (15 cm) for appliances
to building or the combustion air inlet to any BTU/h (3kW), 12” (30 cm) for
< 10,000 BTU/h (3kW), 9”
other appliances
appliances > 10,000 BTU/h (3kW) and (23 cm) for appliances > 10,000
< 100,000 Btuh (30kW), 36” (91 cm)
BTU/h (3kW) and < 50,000 BTU/h
for appliances > 100,000 BTU/h (30kW)
(15kW), 12” (30 cm) for appliances > 50,000 BTU/h(15kW)
K = Clearance to a mechanical air supply inlet
6’ (1.83 m)
3’ (91 cm) above if within 10'
(3 m) horizontally
L = Clearance above paved sidewalk or paved 7’ (2.13 m)† 7’ (2.13 m)†
driveway located on public property
M =Clearance under veranda, porch, deck or
12” (30 cm) 12” (30cm)
balcony
1 In accordance with the current CSA-B149 Installation Codes
2 In accordance with the current ANSI Z223.1/NFPA 54 National Fuel
Gas Codes
† A vent shall not terminate directly above a sidewalk or paved
driveway which is located between two single family dwellings and serves both dwellings
only permitted if veranda, porch, deck or balcony is fully open on a
minimum 2 sides beneath the floor:
58D6056
NOTE: 1. Local codes or regulations may require different clearances.
2. The special venting system used on Direct Vent Stoves is certified as part of the appliance, with clearances tested and approved by the listing agency.
3. MHSC assumes no responsibility for the improper performance of the appliance when the venting system does not meet these requirements.
13
Venting installation
CSDV Series Direct Vent Gas Stove
Termination Clearances
Termination clearances for buildings with combustible and noncombustible exteriors.
Alcove Applications*
Inside Corner
Outside Corner
G=
Combustible
6" (152 mm)
G
F=
Combustible
6" (152 mm)
Noncombustible
2" (51 mm)
V
Noncombustible
2" (51 mm)
V
C
V
E
O
F
Balcony with perpendicular side wall
Balcony with no side wall
D
C
E = Min. 6” (152 mm) for
non-vinyl sidewalls
Min. 12” (305 mm) for
vinyl sidewalls
O = 8’ (2.4 m) Min.
Figure 12 Allowable
Venting
M
M
No.
of Caps DMin. CMax.
1
3’ (914 mm) 2 x DActual
2
6’ (1.8 m)
1 x DActual
3
9’ (2.7 m)
2/3 x DActual
4
12’ (3.7 m) 1/2 x DActual
V
V
P
M=
Combustible &
Noncombustible
12" (305 mm)
Combustible &
Noncombustible
M = 24" (610 mm)
P = 20” (508 mm)
584-15
DMin. = # of Termination caps x 3
CMax. = (2 / # termination caps) x DActual
Figure 13 Acceptable Venting
Configurations
VERTICAL HEIGHT 40' MAX (12.2m)
(MEASURED FROM STOVE TOP) *NOTE: Termination in an alcove space (spaces open only on one side and with an overhang) is permitted with the dimensions specified for vinyl or
non-vinyl siding and soffits. 1. There must be a 3’ (914 mm) minimum between termination caps. 2. All mechanical air intakes within 10’ (1 m) of a
termination cap must be a minimum of 3’ (914 mm) below the termination cap. 3. All gravity air intakes within 3’ (914 mm) of a termination cap must
be a minimum of 1’ (305 mm) below the termination cap.
Actual Stove Height
CSDV20 = 23Z\x" (597 mm)
CSDV30 = 28Z\x" (724 mm)
CSDV40 = 30Z\x" (775 mm)
40
38
36
34
32
30
28
26
24
22
20
18
16
14
12
10
8
6
4
2
0
Use Restrictor
Disk Above Dotted
Line NOTE: Any vent configurations within
the shaded areas are acceptable.
Minimum Height from
Stove Top
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 CSDV20 = 18" (457 mm)
CSDV30 = 30" (762 mm)
HORIZONTAL RUN 20' MAX (6.1m)
CSDV40 = 30" (762 mm)
Minimum Height from Stove Top 18" 58D6056
14
ST1136
CSDV Series Direct Vent Gas Stove
Venting installation
INSTALLATION FOR HORIZONTAL TERMINATION
1. Determine the route your horizontal venting will take.
NOTE: The location of the horizontal vent termination on
the exterior wall must meet all local and national building
codes.
Snorkel terminations are available for terminations requiring a vertical rise on the exterior of the building. Figures 14
and 15. Follow the same installation procedures used for
standard horizontal terminations. If installing the snorkel
termination below grade (basement applications), you must
provide proper drainage to prevent water from entering the
snorkel termination. Figure 13. Do not back fill around the
snorkel termination.
Snorkel
2. Rigid vent pipes and fittings have special twist-lock
connections. Assemble the desired combination of pipe
and elbows to the appliance adaptor with pipe seams
oriented towards the wall or floor.
Twist-lock Procedure: The female ends of the pipes
and fittings have three locking lugs (indentations).
These lugs will slide straight into matching slots on
the male end of adjacent pipes and fittings. Push the
pipe sections together and twist one section clockwise
approximately one-quarter turn until the sections are
fully locked. Figure 16.
Female Locking
Lugs
NOTE: Horizontal runs
of vent pipe must be
supported every three
(3) feet (914 mm). Use
wall straps for this
purpose.
Figure 14 Snorkel Termination
Male Slots
12” (305 mm)
Minimum
FP1953
Figure 16 Rigid Vent Pipe Connections
ST1137
Snorkel
ST1137
snorkel install
Figure 15 Snorkel Termination
with Drainage Pipe
12”
(305 mm)
Minimum
Adequate
Drainage
ST1138
58D6056
3. Attach vent pipe assembly to the stove. Set stove in
front of its permanent location to insure minimum clearances. Mark the wall for a 9Z\x" (241 mm) square hole
FP1953
(for noncombustible
material such as masonry block or
concrete, a 7Z\x"rigid
[190 pipe
mm] diameter hole is acceptable).
Figure 17. The center of the hole should line up with the
center line of the horizontal rigid vent pipe. Cut a 9Z\x" x
9Z\x" (241 x 241 mm) square hole through combustible
exterior wall (7Z\x" [190 mm] diameter hole if noncombustible). Frame as necessary. Figure 17
4. Apply a bead of non-hardening mastic around the
outside edge of vent cap. Position the vent cap in the
center of the 7Z\x" (190 mm) or 9Z\x" (241 mm) hole on the
exterior wall with the word “UP” on the vent cap facing
up. Insure proper clearance of 1" to combustibles is
maintained. Attach the vent cap with four wood screws
supplied. Figure 18
For vinyl siding, stucco, or wood exterior use vinyl siding
standoffs between vent cap and exterior wall. The vinyl
siding standoff prevents excessive heat from melting the
vinyl siding material. Bolt the vent cap to the standoff. Apply
non-hardening mastic around outside edge of the standoff
instead of the vent cap assembly. Use wood screws provided to attach the standoff. Figure 19
NOTE: Replace the wood screws with appropriate fasteners
for stucco, brick, concrete, or other types of siding.
15
ST1138
snorkel drainage
Venting installation
CSDV Series Direct Vent Gas Stove
WARNING
Vent Opening for Combustible Walls
9Z\x"
(241 mm)
9Z\x"
(241 mm)
This will cause a fire hazard.
5. Slide the wall thimble over the vent pipe before connecting the horizontal run to the vent cap. Figure 20
6. Carefully move the stove with vent assembly attached
toward the wall and insert the vent pipe into the horizontal termination. The pipe overlap should be a minimum of 1Z\v" (32 mm). Apply silicone to the outer pipe
connection. Fasten all vent connections with screws
provided.
7. Slide the wall thimble against the interior wall surface
and attach with screws. Figure 20
Framing Detail
Vent Opening for Noncombustible Wall
7Z\x"
(190 mm)
Figure 17 Locate Vent Opening on Wall
Do not recess vent termination into any
wall.
VO584-100
Interior Wall
Surface
VO584-100
Vent Opening
2/99 djt
Vent Cap
(Horizontal
Termination)
Decorative
Wall Thimble
Apply Mastic to
All Four Sides
T
HO
FP1957
FP1955
Vent Cap
Figure 20 Connect Vent Cap with
Horizontal Vent Pipe
Wood Screw
Figure 18 Install Horizontal Vent Cap
Screw
Horizontal
Vent Pipe
Horizontal termination
configuration examples
Figures 21 through
23 show different configurations for
FP1957
venting and horizontal
termination.
install
firestop Each figure includes a
Cut Vinyl Siding
Away to Fit Standoff
Apply Mastic to
FP1955
All Four Sides
horizontal vent cap
Standoff
Vent
Cap
chart with an example of horizontal maximum and vertical
minimum dimensions taken from the chart on Page 14.
NOTE: The horizontal run controls the minimum vertical height (i.e. the longer the hori zontal run, the higher the termination will be).
Follow the chart on Page 14. All horizontal terminations
require a 1/4" (6 mm) rise per 12" (305 mm) of horizontal
run.
T
FP1956
HO
Nut
Figure 19 Install Vinyl Siding Standoff
Bolt
Wood
Screw
58D6056
16
FP1956
Venting installation
CSDV Series Direct Vent Gas Stove
V
HO
T
H
Table 2 - Horizontal Venting
Maximum
Vertical
Vertical
Vertical
Horizontal (H)MinimumMinimumMinimum
CSDV20 (V) CSDV30 (V) CSDV40 (V)
24" 41Z\x" 52Z\x"
54Z\x"
(610 mm)
(1054 mm)
(1334 mm)
(1384 mm)
20'
95Z\v"
98C\v"
102Z\v"
(6 m)
(2419 mm)
(2508 mm)
(2597 mm)
NOTE: Add 1/4" rise per 12" horizontal length of pipe.
NOTE: This configuration is for use with corner
installation also.
ST1139
Figure 21 Horizontal Termination Configuration for
Rigid Venting Using One (1) 90° Elbow
ST1139
Horizontal termination
Table 3 - Horizontal Venting with Two (2) 90° Elbows
Maximum
H1
H
Horizontal
Vertical Minimum
H + H1
CSDV20 (V) CSDV30 (V) CSDV40 (V)
24" 41Z\x" 52Z\x"
54Z\x"
(610 mm)
(1054 mm)
(1334 mm)
(1384 mm)
20'
95Z\v"
98C\v"
102Z\v"
(6 m)
(2419 mm)
(2508 mm)
(2597 mm)
NOTE: Add 1/4" rise per 12" horizontal length
of pipe.
V
ST1140
Figure 22 Horizontal Termination Configuration for Rigid Venting Using
Two (2) 90° Elbows
58D6056
ST1140
Horiz term 2 elbows
17
Venting installation
CSDV Series Direct Vent Gas Stove
H1
V1
HO
T
V
H
NOTE: Add 1/4" rise per 12" horizontal length
of pipe.
Table 4 - Horizontal Venting with Three (3) 90°
Elbows
ST1141
Maximum
Horiz term 3 elbows
Horizontal
Vertical
Minimum
(H + H1)
CSDV20 (V) CSDV30 (V) CSDV40 (V)
24" 41Z\x" 52Z\x"
54Z\x"
(610 mm)
(1054 mm)
(1334 mm)
(1384 mm)
20'
95Z\v"
98C\v"
102Z\v"
(6 m)
(2419 mm)
(2508 mm)
(2597 mm)
Figure 23 Horizontal Termination Configuration for
Rigid Venting Using Three (3) 90° Elbows
with Termination at 90° to Stove
Roof Flashing
NOTE: V + V1 = 20' (6 m) maximum.
INSTALLATION FOR VERTICAL TERMINATION
Wall Strap
1. Determine the route your vertical venting will take.
If ceiling joist, roof rafters or other framing will
obstruct the venting system, consider an offset.
Refer to Figure 24 to avoid cutting load bearing members.
NOTE: Pay special attention to these installation instructions
for required clearances (air space) to combustibles when
passing through ceilings, walls, roofs, enclosures, attic
rafters, etc. Do not pack air spaces with insulation. Also
note maximum vertical rise of the venting system and any
maximum horizontal offset limitations. Offsets must fall
within the parameters shown on Page 14, Figure 13.
2. Set stove in desired location. Drop a plumb line down
from the ceiling to the position of the burner system exit
flue. Mark the center point where the vent will penetrate
the ceiling. Drill a small locating hole a this point.
18
45° Elbows
FP1669
Ceiling Firestop
Figure 24 Offset with Wall Strap and 45° Elbows
FP1969
offset w/ wallstrap
58D6056
Venting installation
CSDV Series Direct Vent Gas Stove
Drop a plumb line from the inside of the roof to the locating hole in the ceiling. Mark the center point where the
vent will penetrate the roof. Drill a small locating hole
at this point.
FLAT CEILING INSTALLATION
1. Cut a 9Z\x" (241 mm) square hole in the ceiling using the
locating hole as a center point The opening should be
framed to 9Z\x" x 9Z\x" (241 x 241 mm) inside dimensions
as shown in Figure 26 using framing lumber the same
size as the ceiling joist. If the area above the ceiling is
an insulated ceiling or a room, nail firestop from the top
side. This prevents loose insulation from falling into the
required clearance space. Figure 23. Otherwise, install
firestop below the framed hole. The firestop should be
installed with no less than three nails per side. Figure
26
Nails
FP1969
Firestop
Figure 25 If area above is a room, install firestop above framed
hole as shown
6O"
95
95
6O"
2. Assemble the desired lengths of pipe and elbows necessary to reach from the burner system flue up through
the firestop. Be sure pipe and elbow connections are
fully twist-locked. Page 15, Figure 16
3. Cut a hole in the roof using the locating hole as a center
point. (Cover any exposed open vent pipes before cutting hole in roof). The 9Z\x" x 9Z\x" (241 x 241 mm) hole
must be measured on the horizontal. Actual length may
be larger depending on the pitch of the roof. There
must be a 1" minimum clearance from the vent pipe to
combustible materials. Frame the opening as shown in
on Page 16, Figure 17.
4. Connect a section of pipe and extend up through the
hole.
NOTE: If an offset is needed to avoid obstructions, you
must support the vent pipe every three (3) feet. Use wall
straps for this purpose. Page 18, Figure 24. Whenever
possible, use 45° elbows instead of 90° elbows. The 45°
elbow offers less restriction to the flow of the flue gases
and intake air.
5. Place the flashing over the pipe section(s) extending
through the roof. Secure the base of the flashing to
the roof and framing with roofing nails. Be sure roofing
material overlaps the top edge of the flashing as shown
in Page 18, Figure 24. There must be a 1" clearance
from the vent pipe to combustible materials.
6. Continue to add pipe sections until the height of the vent
cap meets the minimum building code requirements.
NOTE: You must increase vent height for steep roof
pitches. Nearby trees, adjoining roof lines, steep pitched
roofs, and other similar factors may cause poor draft or
down-drafting in high winds. Increasing the vent height
may solve this problem.
NOTE: If the vent pipe passes through any occupied areas
above the first floor, including storage spaces and closets,
you must enclose pipe. You may frame and sheetrock the
enclosure with standard construction material. Make sure
to meet the minimum allowable clearances to combustibles.
Do not fill any of the required air spaces with insulation.
FP1969
firestop w room above
CATHEDRAL CEILING INSTALLATION
FP1970
Nails
Firestop
Figure 26 If area above is not a room, install firestop below
framed hole as shown
IMPORTANT: Review all information on previous page
before planning this installation. Cathedral ceiling
installations can be very tricky.
1. Remove shingles or other roof covering as necessary
to cut the rectangular hole for the support box. Mark the
outline of the cathedral ceiling support box on the roof
sheathing using the locating hole as a center point.
2. Cut the hole 1/­­8" larger than the support box outline.
Figure 27.
FP1970
firestop no room
58D6056
19
Venting installation
CSDV Series Direct Vent Gas Stove
Cathedral Ceiling
Support Box
VERTICAL TERMINATION CONFIGURATIONS
Figures 29 through 31 show four different configurations
for vertical termination.
2" Minimum
Below Finished
Ceiling
Cut Hole 1/8"
Larger than
Support Box
when Projected
onto Roofline
IMPORTANT: Install restrictor as indicated on chart (Figure
13) on Page 14.
ST1142
Figure 27 Cathedral Ceiling Support Box Installation
H
ST1141
3. Lower the support box through the hole in the roof until
cath clg box
the bottom of the box extends at least 2" ( mm) below
the ceiling. Figure 27. Align the support box vertically
and horizontally using a level. Temporarily tack the support box in place through the inside walls and into the
roof sheeting.
4. Using tin snips, cut the support box from the top corners
down to the roofline and fold the resulting flaps over the
roof sheeting. Figure 28. Apply a bead of non-hardening
mastic around the top edges of the support box to make
a seal between the box and the roof. Nail in place with
roofing nails. Remove any combustible material that
might be inside the support box.
5. Complete the cathedral ceiling installation by following
the same procedures outlines in Steps 2 through 6 for
Flat Ceiling Installation, Page 19 and above.
1
NOTE: Install restrictor into 4" collar of
stove or first vent section as shown.
H
V
ST1145
ST1143
Figure 28 Installed Cathedral Ceiling
Support Box ST1143
Cath clg install
Apply Non-hardening
Mastic Under all Edges
of Support Box Before
Nailing
Table 5 - Venting with Three (3) 90° Elbows
Maximum
Vertical
ST1145
Horizontal MinimumMinimumMinimum
Vert vent 3 elbows
(H + H1)
CSDV20
(V) CSDV30 (V) CSDV40 (V)
24" (610 mm)
20'
(6 m)
41Z\x" (1054 mm)
95Z\v"
(2419 mm)
52Z\x"
(1334 mm)
98C\v"
(2508 mm)
54Z\x"
(1384 mm)
102Z\v"
(2597 mm)
Figure 29 Vertical Rigid Venting Configuration using Three
(3) 90° Elbows with Two (2) Horizontal Runs
20
58D6056
Venting installation
CSDV Series Direct Vent Gas Stove
H
NOTE: Vertical (V)
+ Vertical (V1) = 20'
(6 m) Maximum
V1
Vertical
Venting (V)
= 40' (12 m)
Maximum
NOTE: Install
restrictor into 4"
collar of stove or
first vent section
as shown.
V
NOTE: Install restrictor
into 4" collar of stove
or first vent section as
shown.
V
Figure 30 Vertical Rigid Venting
Configuration using Two (2) 90°
Elbows
Table 6 - Venting with Two (2) 90° Elbows
MaximumMinimumMinimumMinimum
ST1146
Horizontal (H) CSDV20
(V) CSDV30 (V) CSDV40 (V)
vert vent 2 elbows
24" 41Z\v"
44C\v"
48C\v"
(610 mm)
20'
(6 m)
(1048 mm)
95Z\v"
(2419 mm)
(1137 mm)
98C\v"
(2508 mm)
ST1147
(1238 mm)
102Z\v"
(2597 mm)
Figure 31 Vertical Rigid Venting Configuration with
No Horizontal Run
SIMPSON DURAVENT GS 4" X 6B\," (BLACK PIPE)
Number
902B
903B
904B
906B
907b
908B
911B
940
941
943
58D6056
Description
6B\," x 48" Pipe
6B\," x 36" Pipe
6B\," x 24" Pipe
6B\," x 12" Pipe
6B\," x 9" Pipe
6B\," x 6' Pipe
6B\," Adjustable (11" - 14B\," Pipe)
Wall Thimble
Cathedral Ceiling Support Box
Roof Flashing 0/12 - 6/12
Number
943S
945B
950
953
963
981
984
988
990B
991
ST1147
vert vent
Description
Roof Flashing 7/12 - 12/12
6B\," x 45° Elbow
Vinyl Siding Standoff
Storm Collar
Ceiling Firestop
36" Snorkel Termination
Horizontal Termination Vent Cap
Wall Strap
6B\," x 90° Elbow
Vertical High Wind Termination
21
stove installation
CSDV Series Direct Vent Gas Stove
check gas type
Use proper gas type for the fireplace you are installing. If you have conflicting gas type, do not install
fireplace. See dealer where you purchased the fireplace for proper fireplace according to your gas
type.
A qualified installer or service person must
connect appliance to gas supply. Follow
all local codes.
CAUTION
WARNING
Installing gas piping to fireplace location
For propane/LP units, never connect
stove directly to the propane/LP supply.
This burner system requires an external
regulator (not supplied). Install the external
regulator between the burner system and
propane/LP supply.
installation items needed
Before installing stove and burner system, make sure you have the items listed below.
• External regulator • Piping (check local codes)
• Sealant (resistant to propane/LP gas)
(supplied by installer)
• Test gauge connection*
• Sediment trap (recommended)
• Equipment shutoff valve*
• Tee joint
• Pipe wrench
• approved flexible gas line with gas connector (if allowed by local codes — not provided)
* A CSA design-certified equipment shutoff valve with 1/8" NPT tap is an acceptable alternative to test gauge connection. Purchase the CSA design-certified equipment shutoff valve from your dealer.
Vent Pointing
Down
CAUTION
External
Regulator
100 gal. (min)
Propane/LP
Supply Tank
Use only new black iron or steel pipe.
Internally tinned copper or copper tubing
can be used per National Fuel Code, Section
2.6.3, providing gas meets hydrogen sulfide
limits, and where permitted by local codes.
Gas piping system must be sized to provide
minimum inlet pressure (listed on data plate)
at the maximum flow rate (BTU/hr). Undue
pressure loss will occur if the pipe is too
small.
WARNING
For propane/LP connections only, the installer must supply an external regulator. The external regulator will reduce
incoming gas pressure. You must reduce incoming gas pressure to between 11 and 13 inches of water. If you do not
reduce incoming gas pressure, burner system regulator damage could occur. Install external regulator with the vent
pointing down as shown in Figure 32. Pointing the vent down protects it from freezing rain or sleet.
External regulators may be necessary for
natural gas. One- or two-pound systems
will damage this appliance and may cause
fire hazard.
FP1977
Figure 32 External Regulator with Vent Pointing Down
(Propane/LP Only)
22
FP1977
external regulator
When using copper or flex connectors use only fittings
approved for gas connections. The gas control inlet is
3/8" NPT.
58D6056
CSDV Series Direct Vent Gas Stove
Only persons licensed to work with gas
piping may make the necessary gas
connections to this appliance.
CAUTION
WARNING
stove installation
A manual shutoff valve must be installed
upstream of the appliance. Union tee
and plugged 1/8" NPT pressure tapping
point should be installed upstream of the
appliance. Figure 33
A listed manual shutoff valve must be installed upstream of
the appliance. Union tee and plugged 1/8" NPT pressure
tapping point should be installed upstream of the appliance.
Figure 33
IMPORTANT: Install main gas valve (equipment shutoff valve)
in an accessible location. The main gas valve is for turning on
or shutting off the gas to the fireplace.
CAUTION
NOTE : The gas line connection may be made using 1/2" rigid tubing or an approved flex connector.
Since some municipalities have additional local codes it is always best to consult your local authorities
and the current edition of the National Fuel Gas Code ANSI.Z223.1, NFPA54. In Canada CSA-B149 (1
or 2) Installation Code.
Use pipe joint sealant that is resistant to
liquid petroleum (LP) gas.
Check your building codes for any special requirements for locating equipment shutoff valve to fireplaces.
Apply pipe joint sealant lightly to male threads. This will prevent excess sealant from going into pipe.
Excess sealant in pipe could result in clogged burner system valves.
We recommend that you install a sediment trap/drip leg in supply line as shown in Figure 33. Locate
sediment trap/drip leg where it is within reach for cleaning. Install in piping system between fuel supply
and burner system. Locate sediment trap/drip leg where trapped matter is not likely to freeze. A sediment
trap traps moisture and contaminants. This keeps them from going into the burner system gas controls.
If sediment trap/drip leg is not installed or is installed wrong, burner system may not run properly.
CSA Design-Certified Equipment Shutoff Valve
with 1/8" NPT Tap*
Approved Flexible
Gas Line
Natural Gas
From Gas Meter
(5.0" w.c. to 10.5" w.c. Pressure)
Propane/LP
From External Regulator
(11,0" w.c. to 13.0" w.c. Pressure)
Tee Joint
Sediment Trap/Drip Leg
Pipe Nipple
Cap
3"
M
ini
mu
m
Figure 33 Gas Connection
FP1978
gas connection
58D6056
23
CSDV Series Direct Vent Gas Stove
CHECKING GAS PRESSURE and ELECTRICAL INSTALLATION
WARNING
Do not use open flame to check for gas
Millivolt gas valve
leaks.
CAUTION
1. Check gas type. The gas supply must be the same as
stated on the appliance’s rating decal. If the gas supply
is different from the fireplace, STOP! Do not install the
appliance. Contact your dealer immediately.
2. To ease installation, a 30" (mm) flex line with manual
shut-off valve has been provided with on this appliance. Install and attach 1/2" gas line onto shut-off
valve.
3. After completing gas line connection, purge air from
gas line and test all gas joints from the gas meter
Pressure
to the fireplace for leaks. Use a solution of 50/40
Test “IN”
water and soap or a gas sniffer.
4. To adjust flame height, turn HI/LO knob to HI to get Pressure
FP1979
maximum pressure to burner. Turn HI/LO knob to Test “OUT”
LO to get minimum pressure.
HI/LO Knob
5. To check gas pressures at valve, turn captured
screw counter clockwise 2 or 3 turns and then place
Pilot Adjustment Screw
tubing to pressure gauge over test point. Turn unit
Figure 34 to high. Figure 34. After taking pressure reading,
Gas Pressure Check at Gas Valve
be sure and turn captured screw clockwise firmly
to reseal. Do not over torque. Check test points for
FP1979
gas leaks.
Label all wires before disconnecting when
servicing controls. Wiring errors can cause
improper and dangerous operation.
Electrical Wiring
This stove will work without any electrical supply. Electricity
is only needed to operate blower.
WARNING
NOTE: If installed in mobile home, fireplace must be bolted
securely to floor.
24
Electrical connections should only
be performed by a qualified, licensed
electrician. Main power must be off when
connecting to main electrical power supply
or performing service. All wiring shall be
in compliance with all local, city and state
codes. The appliance, when installed, must
be electrically grounded in accordance
with local codes or in the absence of local
codes, with the National Electrical Code
ANSI/NFPA 70 (latest edition) and Canadian
Electrical Code, CSA C22.1.
Verify proper operation after servicing.
58D6056
ELECTRICAL INSTALLATION
CSDV Series Direct Vent Gas Stove
REMOTE WALL MOUNTED SWITCH
A remote wall switch and up to fifteen (15) feet of 18 Ga. wire may be used with this appliance.
Attach the wall switch in a junction box at the desired location on the wall. Figure 35. Do not extend
beyond the wall switch wire length provided.
NOTE: Extended lengths of wire may cause the fireplace not to function properly. Longer
length of wire is permitted if the wire is made out of larger gauge (diameter) wire. Always
check with local code.
OPTIONAL REMOTE
WALL SWITCH
ON
HI
ON
OFF
PILOT
LO
OFF
TH
TP
TH/TP
Figure 35 Wiring Diagram for Wall Switch
58D6056
ST1148
wiring diagram
25
LOG PLACEMENT
CSDV Series Direct Vent Gas Stove
WARNING
Before you begin — This unit is supplied with ceramic fiber logs. Do not handle these logs
with your bare hands. Always wear gloves to prevent skin irritation from ceramic fibers.
After handling the logs, wash your hands gently with soap and water to remove any traces of
fibers.
The positioning of the logs is critical to the safe and clean operation of
this heater. Sooting and other problems may result if the logs are not
properly and firmly positioned in the appliance. Never add additional logs
or embellishments such as pine cones or vermiculite to the heater. Only
use the logs supplied with the unit.
Failure to position the parts in accordance with diagrams below or to use
only parts specifically approved for this heater may result in property
damage or personal injury.
Place CSDV20 logs in firebox
Figure 36
1. Carefully remove logs from wrapping.
2. Open front door of firebox.
3. Place rear log (#1) on rear log pin.
4. Place left base log (#2) on the two pins against left
side of firebox.
5. Place right base log (#3) on the two pins against right
side of firebox.
Right Base
Log #3
Left Base
Log #2
Place rock wool (ember material)
in firebox
Break up rock wool (ember material) into dime-sized
pieces. Fluff up rock wool. Place rock wool evenly across
burner surface. Do not block any areas around the perimeter of the burner, as these are the areas that supply the
needed air for secondary combustion. Do not place rock
wool under logs. Figure 37
NOTE: Do not exceed one (1) layer of rock wool
overage. Place a small amount of rock wool on the
rear side of the burner only between tabs. The tabs are
designed to indicate the area where rock wool location.
Do not place rock wool outside the tabs in the back.
Rear Log
#1
Pins
REM
OTE
CO
N
TR
OL
PIL
OT
OFF
LG814
Rock Wool
LG813
RE
MOT
E CO
NT
RO
L
Figure 37 CSDV20 Rock Wool Placement
LG814
PILO
T
Figure 36 Place CSDV20 Logs
on Base
OFF
Pins
CSDV20 rockwool
58D6056
26
LG813
LOG PLACEMENT
CSDV Series Direct Vent Gas Stove
PLACE CSDV30 LOGS IN FIREBOX
place logs and rock wool
(ember material) in firebox
Figure 38
1. Carefully remove logs from wrapping.
2. Open front door of firebox.
3. Place rear log (#1) on rear log pin.
4. Place left base log (#2) on the two pins against left side
of firebox.
5. Place right base log (#3) on the two pins against right
side of firebox.
6. Place top left log (#4) on left base log. Line up the notch
in the bottom of the top log with the locator pins on the
bottom log.
7. Place top right log (#5) on right base log. Line up the
notch in the bottom of the top log with the locator pins
on the bottom log.
Break up rock wool (ember material) into dime-sized
pieces. Fluff up rock wool. Place rock wool evenly across
the front of the burner surface. Do not block any areas
around the perimeter of the burner, as these are the areas
that supply the needed air for secondary combustion. Do
not cover the screen on the rear half of the burner as this
area allows for air to enter under the front logs. Do not
place rock wool under logs. Figure 39
NOTE: Do not exceed one (1) layer of rock wool
overage. Do not place rock wool on rear of burner.
Top Left Log #4
Top Right Log #5
Left Base
Log #2
Right Base
Log #3
REM
OTE
CO
N
TR
OL
PIL
OT
OFF
Rock Wool
Rear Log
#1
Pins
LG817
Figure 39 Place CSDV30 Rock Wool
LG816
CSDV30 rockwool
LG816
RE
MO
TE
CO
NTR
OL
PILO
T
Figure 38 Place CSDV30 Logs
OFF
Pins
58D6056
27
LG815
CSDV30 logs
LOG PLACEMENT
CSDV Series Direct Vent Gas Stove
PLACE ROCK WOOL (EMBER MATERIAL)
IN FIREBOX
PLACE CSDV40 LOGS IN FIREBOX
Figure 40
1. Carefully remove logs from wrapping.
2. Open front door of firebox.
3. Place rear log (#1) on rear log pins.
4. Place left base log (#2) on the two pins against left side
of firebox.
5. Place right base log (#3) on the two pins against right
side of firebox.
6. Place top left log (#4) on left base log. Line up the notch
in the bottom of the top log with the locator pins on the
bottom log.
7. Place top right log (#5) on right base log. Line up the
notch in the bottom of the top log with the locator pins
on the bottom log.
8. Rest one end top mid log (#6) on left base log and the
other on front burner.
Break up rock wool (ember material) into dime-sized
pieces. Fluff up rock wool. Place rock wool evenly across
both burner surfaces. Do not block any areas around the
perimeter of the burner, as these are the areas that supply
the needed air for secondary combustion. Figure 41
NOTE: Do not exceed one (1) layer of rock wool
coverage.
Top Mid Log #6
Top Left
Log #4
Top Right
Log #5
Left Base
Log #2
RE
MO
TE
CO
NTR
OL
PILO
T
LG819
OFF
Rock Wool
Right Base
Log 33
Rear Log
#1
Pins
Figure 41 Place CSDV40 Rock Wool
LG819
CSDV40 rockwool
RE
MOT
E CO
NT
RO
L
PIL
OT
Figure 40 Place CSDV40 Logs
Pins
OF
F
LG818
58D6056
28
LG818
CSDV40 Logs
OPERATING INSTRUCTIONS
CSDV Series Direct Vent Gas Stove
WARNING
for your safety read before lighting
If you do not follow these instruction
exactly, a fire or explosion may result
causing property damage, personal injury
or loss of life.
A. This appliance is equipped with a pilot which must be lit by hand while following these
instructions exactly.
B. BEFORE OPERATING smell all around the appliance area for gas. Be sure to smell next
to the floor because some gas is heavier than air and will settle on the floor.
WHAT TO DO IF YOU SMELL GAS:
• Turn off all gas to the appliance.
• Open windows.
• Do not attempt to light any appliance.
• Do not touch any electric switch; do not use any phone in your building.
• Immediately call your gas supplier from a neighbor's phone. Follow the gas supplier's
instructions.
• If you cannot reach your gas supplier, call the fire department.
C. Use only your hand to push in, or turn the gas control knob. Never use tools. If the knob will
not push in or turn by hand, don't try to repair it. Call a qualified service technician. Force
or attempted repair may result in a fire or explosion.
D. Do not use this appliance if any part of it has been under water. Immediately call a qualified
service technician to inspect the appliance and to replace any part of the control system
and any gas control that has been under water.
58D6056
29
OPERATING INSTRUCTIONS
CSDV Series Direct Vent Gas Stove
leak testing
You may check for gas leaks with the following
methods only:
• Soap and water solution
• An approved leak testing spray
• Electronic sniffer
WARNING
initial lighting
Purge air from the supply line as follows:
• Open main shutoff valve.
• Unscrew main pressure test point.
• Leave inlet test screw open until gas
comes in.
• When gas is flowing, tighten inlet screw
immediately.
If using a soap and water solutiong
to test for leaks, DO NOT spray
solution onto control body.
WARNING
Lighting pilot for the first time
Never use an open flame to check
for gas leaks.
Check for gas leaks in each of the following locations:
• Pipe from the gas supply line connection to the gas valve
• Burner connections • Field made joints / gas shutoff valve
• Pilot • Factory made joints
• Each joint or connection
• All joints on valve and control body
WARNING
Lighting pilot
The control has an interlock device that does not allow the lighting of the
stove up to the moment the safety device of the flame has not interrupted
the gas flow. After that period of time (when the magnet is closed), it is
possible to start the lighting operation.
The gas control knob is designed to be operated by hand. DO NOT use
any tools during this operation. Damaged knobs may result in serious
injury.
1. Depress and turn knob counterclockwise
to pilot position.
If the pilot does not stay lit, repeat Steps 1 and 2.
F PILOT ON
OF
2. Depress fully and hold pilot gas knob. The
electronic ignitor will automatically ignite the
pilot. Keep knob fully depressed for a few seconds. Release and check that pilot continues
to burn.
PIL
OT
Figure 42 Pilot Position
30
FP1935
58D6056
control knob pilot
OPERATING INSTRUCTIONS
CSDV Series Direct Vent Gas Stove
Lighting burner
main burner switch
The “ON/OFF” switch for the main burner can be found on the back right
side of the stove. This switch allows you to turn on and to turn off the main
burner without using the gas valve knob. Make sure the button is in the
“ON” position to light the main burner. Figure 43
ON
F
OF
Lighting the burner
Depress and turn the knob counterclockwise
to the “ON” position.
Figure 44. It will take less than four (4) seconds for the burner to ignite.
Figure 43 On/Off/RS Switch
ST1148
on off switch
OFF
Depress and turn knob to pilot position to keep burner off while maintaining the pilot light. Figure 45
ON
Pilot position
ILOT
PILOT P
ON
PIL
OT
F Figure 44 On Position
OF
PIL
OT
Figure 45 Pilot Position
FP1937
control knob on
FP1935 off gas
to turn
control knob pilot
Depress and turn knob clockwise
to “OFF” position. Figure 46
ON
OFF
PI L O
T
PIL
Figure 46 Off Position
58D6056
OT
31
AIR SHUTTER ADJUSTMENT (NATURAL GAS ONLY)
CSDV Series Direct Vent Gas Stove
ADJUSTING THE AIR SHUTTER
The venturi of the burner is equipped with an air shutter. The opening of the venturi has been set
at 1/4" for Natural Gas and fully open for Propane installation at sea level. Natural Gas Models
may be adjusted for high altitude as follows:
• To increase air mixture, pull down the adjustment rod located beneath the stove. This
opens the shutter more and will stop sooting. Figure 47
• To decrease air mixture, push up the adjustment rod located beneath the stove. This
closes the shutter. Flames will be more yellow. Figure 48
Air Shutter
Figure 47 Push Adjustment Rod Up to
Close Air Shutter
ST1149
Adjustment
Rod
ST1150
air shutter closed
Air Shutter
Figure 48 Pull Adjustment Rod Down
to Open Air Shutter
ST1150
Adjustment
Rod
Lg1151
air shutter open
32
58D6056
CLEANING and MAINTENANCE
VENTING SYSTEM
A qualified agency should examine the venting system
annually.
CAUTION
Make sure the gas valve knob is in the “OFF” position. Wait
at least five (5) minutes before start­­-ing maintenance.
CSDV Series Direct Vent Gas Stove
Allow glass to cool before cleaning.
Do not clean glass when it is hot.
Damage could occur.
CLEANING GLASS
Clean the ceramic glass periodically. Condensation will
sometimes form on the glass during a cold startup. This is
normal for all gas fireplaces and stoves. This condensation
often attracts dust and lint to the surface of the glass. The
initial paint curing of the appliance can also leave a slight
film on the glass. This is a temporary problem.
Thermocouple
Thermopile
CSDV20,
CSDV30 Pilot
Flame
Your should clean the glass after the first two weeks of use.
After that, you should clean the glass no more than two or
three times a season. Use a mild glass cleaner to clean
the door. Do not use abrasive cleaners. They will damage
the glass surface.
PILOT AND BURNER FLAMES
Visually check pilot and burner flames periodically. Refer
to Figure 49 for typical pilot flame. Refer to Figure 50 for
typical burner flame.
FP1943
Thermocouple
FP1943
pilot flame
FIREBOX CLEANING
WARNING
Make sure clearances to combustibles
allow enough room for maintenance and
service.
WARNING
1. Carefully remove log set, and embers from combustion
chamber.
2. Vacuum burner compartment thoroughly.
3. Vacuum any dust off logs.
4. Remove any lint from main burner and pilot.
5. Carefully replace log set and rock wool in their correct
positions. Page 26
6. Replace door.
7. Relight pilot. Page 30
8. Turn on main burner.
Carefully reassemble and reseal stove
properly after any cleaning or servicing.
Thermopile
CSDV40 Pilot
Flame
Figure 49 Pilot Flame Appearance
FP1943a
FP1943
pilot flame
REM
OTE
CO
N
TR
OL
Figure 50 Typical Burner Flame
Appearance
PIL
OT
OFF
58D6056
33
LG820
GLASS REPLACEMENT
Always use gloves when handling broken
glass.
WARNING
CAUTION
CSDV Series Direct Vent Gas Stove
Make sure the glass panel edges do not
touch any metal parts during thermal
expansion.
1. Put on gloves.
2. Remove door from stove. Page 10
3. Remove glass from stove by releasing two clamps on
bottom of stove. Lift glass frame up and off the unit.
Figure 51
4. Carefully remove broken glass.
5. Wrap new glass pane with tadpole gasket. Make sure
you have 1/4" overlap on each side.
6. Place new glass in frame.
7. Slide glass frame back down onto stove and fasten two
clamps. Figure 52
ON
F
OF
NOTE: Use only original MHSC replacement parts.
Gasket
Glass
ST1153
Glass
Frame
Clamps
Figure 51 Remove Glass Frame
ST1153
remove glass
ST1152
Figure 52 Glass Replacement
34
ST1151
replace glass
58D6056
WARNING
TROUBLESHOOTING
CSDV Series Direct Vent Gas Stove
Turn appliance OFF and allow to cool before
servicing. Only a qualified service person
should service and repair the heater.
NOTE: All troubleshooting items are listed in order
of operation.
OBSERVED PROBLEM
Spark ignitor will not light the
pilot after repeated pressing of
spark ignitor.
POSSIBLE CAUSE
1. Battery needs replacing
2. Defective ignitor
3. Misaligned spark electrode
Pilot will not stay lit.
1. Defective thermocouple. Loose
thermocouple.
2. Air in gas line
3. No gas
Burner will not light when
valve and burner switch are
both on.
1. Defective switch
2. Defective thermopile
Glass fogs up
3. Thermostat set too low/defective
1. Normal condition
Blue flames
1. Normal during start up
Sooting
1. Flame impingement
58D6056
REMEDY
1. Replace battery
2. Check connections to ignitor. Replace
ignitor if ignitor connections are good,
but there is no spark.
3. Check for spark arcing from the electrode
to pilot. Adjust by loosening screws on
pilot base. Adjust and retighten.
1. Check for proper connection of
thermocouple to rear of valve.
2. Bleed line. Contact dealer.
3. Check shutoff valve and gas supply
(LPG tank)
1. Check switch connections. Jump wires
at switch
2. Check connections to valve. Contact
dealer.
3. Turn up thermostat to start unit. check
thermostat connections.
1. Allow appliance to warm up. Glass will
clear. Additives in the gas may dirty
glass. Clean glass when cool.
1. Flames will yellow as appliance heats
up.
1. Check log position. Open shutters to
increase primary air.
35
REPLACEMENT PARTS
CSDV Series Direct Vent Gas Stove
CSDV20 Replacement Parts
20 18
17
7
14
9
19
6
16
15
1
11
2
10
8
12
5
3
13
4
586056
CSDV20 parts
36
58D6056
REPLACEMENT PARTS
WARNING
Ref.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
DescriptionQty.
Burner Assembly
1
Log Support Bracket
1
Pilot Assembly
1
SIT 820 Nova Valve
1
Injector
1
Venturi
1
Valve Tube
1
ON/OFF Rocker Switch
1
Ceramic Glass
1
Air Shutter Rod
1
Air Shutter Knob
1
Knob Extension Hi/Lo
1
Knob Extension ON/OFF
1
Ignitor Battery Module
1
Ignitor Wire Harness
1
ON/OFF Wire Harness
1
Burner Tube
1
Rear Logs
1
Right Bottom Logs
1
Left Bottom Log
1
Vertical Restrictor (not shown)
1
Engine Gasket Set (not shown)
1
Front Grate (not shown)
1
CSDV Series Direct Vent Gas Stove
CSDV20NV
58D0250
58D0210
37D0018
37D0117
62D3006
45D0600
58D0163
41D0048
58D0207
58D0048
45D0237
43D0095
43D0094
45D0077
45D0500
45D0501
58D0271
58D1931
58D1933
58D1932
45D0551
58D0256
58D0269
CSDV20PV
58D0250
58D0210
37D0019
37D0118
20H3146
45D0600
58D0163
41D0048
58D0207
58D0048
45D0237
43D0095
43D0094
45D0077
45D0500
45D0501
58D0271
58D1931
58D1933
58D1932
45D0551
58D0256
58D0269
Failure to position the parts in accordance
with these diagrams or failure to use
only parts specifically approved with this
appliance may result in property damage
or personal injury.
58D6056
37
REPLACEMENT PARTS
CSDV Series Direct Vent Gas Stove
CSDV30 Replacement Parts
17
22
7
18
15
8
21
20 16
6
9
19
1
5
10
2
11
14
12
3
13
4
586056
CSDV30 parts
38
58D6056
REPLACEMENT PARTS
Ref.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
25.
DescriptionQty.
Burner Assembly
1
Log Support Bracket
1
Pilot Assembly
1
SIT 820 Nova Valve
1
Injector
1
Venturi
1
Valve Tube
1
ON/OFF Rocker Switch
1
Ceramic Glass
1
Air Shutter Rod
1
Air Shutter Knob
1
Knob Extension Hi/Lo
1
Knob Extension ON/OFF
1
Ignitor Battery Module
1
Ignitor Wire Harness
1
ON/OFF Wire Harness
1
Burner Tube
1
Rear Log
1
Right Bottom Log
1
Right Top Log
1
Left Top Log
1
Left Bottom Log
1
Vertical Restrictor (not shown)
1
Engine Gasket Set (not shown)
1
Front Grate (not shown)
1
CSDV Series Direct Vent Gas Stove
CSDV30NV
58D0150
58D0024
37D0018
37D0117
58D0102
45D0600
58D0163
41D0048
58D0028
58D0048
45D0237
43D0095
43D0094
45D0077
45D0500
45D0501
58D0164
58D1941
58D1943
58D1945
58D1944
58D1942
45D0551
58D0194
56D0062
CSDV30PV
58D0150
58D0024
37D0019
37D0118
20H3144
45D0600
58D0163
41D0048
58D0028
58D0048
45D0237
43D0095
43D0094
45D0077
45D0500
45D0501
58D0164
58D1941
58D1943
58D1945
58D1944
58D1942
45D0551
58D0194
56D0062
WARNING
ACCESSORIES
Thermostat Blower - MODEL #BLOTCS
(available on CSDV30 and CSDV40 only)
Failure to position the parts in accordance
with these diagrams or failure to use
only parts specifically approved with this
appliance may result in property damage
or personal injury.
58D6056
39
REPLACEMENT PARTS
CSDV Series Direct Vent Gas Stove
CSDV40 Replacement Parts
25
22
26
24
23
28
8
19
20
18
10
2
15
11
3
12
2
7
9
6
17
13
21
4
14
16
5
586056
CSDV40 parts
40
58D6056
REPLACEMENT PARTS
Ref.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
25.
26.
27.
28.
29.
30.
DescriptionQty.
Burner Assembly
1
Rear Burner Assembly
1
Log Support Bracket
1
Pilot Assembly
1
SIT 820 Nova Valve
1
Front Injector
1
Rear Injector
1
Venturi
1
ON/OFF Rocker Switch
1
Ceramic Glass
1
Air Shutter Rod
1
Air Shutter Knob
1
Knob Extension Hi/Lo
1
Knob Extension ON/OFF
1
Ignitor Battery Module
1
Ignitor Wire Harness
1
ON/OFF Wire Harness
1
Rear Burner Tube
1
5/16 Brass Tee
1
Front Burner Tube
1
Valve Tube
1
Rear Log
1
Right Bottom Log
1
Right Top Log
1
Left Top Log
1
Left Bottom Log
1
Top Mid Log
1
Vertical Restrictor (not shown)
1
Engine Gasket Set (not shown)
1
Front Grate (not shown)
1
CSDV Series Direct Vent Gas Stove
CSDV40NV
58D0368
58D0362
58D0310
20H2048
37D0117
20H3150
62D3006
45D0600
41D0048
58D0320
58D0048
45D0237
43D0095
43D0094
45D0077
45D0500
45D0501
58D0366
43D0181
58D0364
58D0365
58D1921
58D1923
58D1925
58D1924
58D1922
58D1926
45D0551
58D0194
58D0369
CSDV40PV
58D0368
58D0362
58D0310
20H2048
37D0118
20H3151
33D4046
45D0600
41D0048
58D0320
58D0048
45D0237
43D0095
43D0094
45D0077
45D0500
45D0501
58D0366
43D0181
58D0364
58D0365
58D1921
58D1923
58D1925
58D1924
58D1922
58D1926
45D0551
58D0194
58D0369
WARNING
ACCESSORIES
Thermostat Blower - MODEL #BLOTCS
(available on CSDV30 and CSDV40 only)
Failure to position the parts in accordance
with these diagrams or failure to use
only parts specifically approved with this
appliance may result in property damage
or personal injury.
58D6056
41
CSDV Series Direct Vent
Gas Stove Only — Please read and follow these special requirements
Massachusetts
Residents
NOTE REGARDING VENTED PRODUCTS
This product must be installed by a licensed plumber or gas fitter
when installed within the Commonwealth of Massachusetts.
Any residence with a direct vent product must have a CO
detector installed in the residence.
Installation of the fireplace or vented gas log in the State of
Massachusetts requires the damper to be permanently removed
or welded in the fully open position.
In addition, a naturally vented gas log may not be installed in a
bedroom or bathroom in the State of Massachusetts.
Flex line installation must not exceed 36 inches and must have
a T shutoff valve.
NOTE REGARDING VENT FREE PRODUCTS
This product must be installed by a licensed plumber or gas fitter
when installed within the Commonwealth of Massachusetts.
In addition, vent free products may not be installed in a
bedroom or bathroom regardless of size or type in the State of
Massachusetts.
Flex line installation must not exceed 36 inches and must have
a T shutoff valve.
CARBON MONOXIDE DETECTOR REQUIREMENTS
(2)Revise 10.8.3 by adding the following additional
requirements:
(a) For all side wall horizontally vented gas fueled
equipment installed in every dwelling, building or structure used
in whole or in part for residential purposes, including those
owned or operated by the Commonwealth and where the side
wall exhaust vent termination is less than seven (7) feet above
finished grade in the area of the venting, including but not
limited to decks and porches, the following requirements shall
be satisfied:
1. Installation of carbon monoxide detectors. At the time
of installation of the side wall horizontal vented gas fueled
equipment, the installing plumber or gas fitter shall observe
that a hard wired carbon monoxide detector with an alarm and
battery back-up is installed on the floor level where the gas
equipment is to be installed. In addition, the installing plumber
or gas fitter shall observe that a battery operated or hard wired
carbon monoxide detector with an alarm is installed on each
additional level of the dwelling, building or structure served by
the side wall horizontal vented gas fueled equipment. It shall be
the responsibility of the property owner to secure the services of
qualified licensed professionals for the installation of hard wired
carbon monoxide detectors
a. In the event that the side wall horizontally vented gas
fueled equipment is installed in a crawl space or an attic, the
hard wired carbon monoxide detector with alarm and battery
back-up may be installed on the next adjacent floor level.
b. In the event that the requirements of this subdivision
can not be met at the time of completion of installation, the
owner shall have a period of thirty (30) days to comply with the
above requirements; provided, however, that during said thirty
(30) day period, a battery operated carbon monoxide detector
with an alarm shall be installed.
42
2. Approved Carbon Monoxide Detectors. Each carbon
monoxide detector as required in accordance with the above
provisions shall comply with NFPA 720 and be ANSI/UL 2034
listed and IAS certified.
3. Signage. A metal or plastic identification plate shall be
permanently mounted to the exterior of the building at a
minimum height of eight (8) feet above grade directly in line
with the exhaust vent terminal for the horizontally vented
gas fueled heating appliance or equipment. The sign shall
read, in print size no less than one-half (1/2) inch in size,
“GAS VENT DIRECTLY BELOW. KEEP CLEAR OF ALL
OBSTRUCTIONS.”
4. Inspection. The state or local gas inspector of the side
wall horizontally vented gas fueled equipment shall not
approve the installation unless, upon inspection, the inspector
observes carbon monoxide detectors and signage installed
in accordance with the provisions of 248 CMR 5.08(2)(a)1
through 4.
(b) Exemptions: The following equipment is exempt from
248 CMR 5.08(2)(a)1 through 4:
1. The equipment listed in Chapter 10 entitled "Equipment
Not Required To Be Vented" in the most current edition of
NFPA 54 as adopted by the Board; and
2. Product Approved side wall horizontally vented gas fueled
equipment installed in a room or structure separate from the
dwelling, building or structure used in whole or in part for
residential purposes.
(c) Manufacturer requirements — Gas Equipment Venting
System Provided. When the manufacturer of Product
Approved side wall horizontally vented gas equipment provides
a venting system design or venting system components with
the equipment, the instructions provided by the manufacturer
for installation of the equipment and the venting system shall
include:
1. Detailed instructions for the installation of the venting
system design or the venting system components; and
2. A complete parts list for the venting system design or
venting system.
(d) Manufacturer requirements — Gas Equipment
Venting System Not Provided. When the manufacturer of
a Product Approved side wall horizontally vented gas fueled
equipment does not provide the parts for venting the flue
gases, but identifies “special venting systems,” the following
requirements shall be satisfied by the manufacturer:
1. The referenced "special venting system" instructions shall
be included with the appliance or equipment installation
instructions; and
2. The “special venting systems” shall be Product Approved
by the Board, and the instructions for that system shall include
a parts list and detailed installation instructions.
(e) A copy of all installation instructions for all Product
Approved side wall horizontally vented gas fueled equipment,
all venting instructions, all parts lists for venting instructions,
and/or all venting design
58D6056
CSDV Series Direct Vent Gas Stove
Limited lifetime warranty
policy
MHSC warrants its products to be free of defects in material and workmanship and backs each
product with a Limited Lifetime Warranty. This warranty is to the original purchaser of a MHSC
product and is not transferable.
Lifetime Warranty
Covered under this warranty are the stove body, combustion chamber, door frame, gold plating
(manufacturing defects only), glass (thermal breakage only), heat exchange system, and burner.
This coverage includes parts and reasonable labor during the first five years of ownership and
parts only thereafter.
Five Year Warranty
Ceramic fiber logs, firebrick panels and secondary air tubes are covered for a period of five
years from the date of purchase.
Two Year Warranty
Gas valves, pilot assemblies, thermopiles, thermocouples, regulators, electrical components,
cast iron grates and blowers are covered for a period of two years from the date of purchase.
Exclusions
Items that are not covered under this warranty include but are not limited to damage or chipping
to any component surfaces, gasketing, refractory material, or trim. It does not cover installation
or operational problems related to venting systems, inadequate draft, inadequate gas pressure,
adjustments to the appliance, the cost of inspection, components which have been altered
or modified, labor costs, removal and re-installation costs, shipping to or from the factory or
authorized service center, shipping damage, damage from improper use or neglect, installation
damage, damage from unauthorized service, incidental or consequential damage or negative
pressure caused by mechanical systems such as furnaces, fans, clothes dryers etc.
Terms
This warranty shall be void if the appliance is not installed by qualified installer in accordance
with the installation instructions provided with the appliance and state and local codes. The
warranty shall also be void if the appliance is not operated and maintained in accordance with
the operating instructions supplied with the appliance. All service work must be performed by an
authorized service representative. Any part or parts, which we deem defective, will be repaired
or replaced at MHSC’s option, through an authorized dealer or service provider.
This warranty is expressly in lieu of other warranties, express or implied, including the warranty
of merchantability of fitness for purpose and of all other obligations or liabilities. MHSC does
not assume for it any other obligations or liability in connection with the sale or use of the appliance. In states that do not allow limitations on how long an implied warranty lasts, or do not
allow exclusion of indirect damages, those limitations of exclusions may not apply to you. You
may also have additional rights not covered in this Limited Warranty.
MHSC reserves the right to investigate any and all claims against the Limited Warranty and
decide upon the method of settlement.
IF WARRANTY SERVICE IS NEEDED...
1. Contact your supplier. Make sure you have your warranty, your sales receipt and the
model/serial number of your MHSC product.
2. DO NOT ATTEMPT TO DO ANY SERVICE WORK YOURSELF.
58D6056
43
MHSC
149 Cleveland Drive • Paris, Kentucky 40361
www.mhsc.com